org.apache.flink.streaming.connectors.kafka.internal

Class Kafka09PartitionDiscoverer

java.lang.Object

org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

org.apache.flink.streaming.connectors.kafka.internal.Kafka09PartitionDiscoverer

@Internal
public class Kafka09PartitionDiscoverer
extends org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

A partition discoverer that can be used to discover topics and partitions metadata from Kafka brokers via the Kafka 0.9 high-level consumer API.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.ClosedException, org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.WakeupException

Constructor Summary

Constructors

Constructor and Description
Kafka09PartitionDiscoverer(org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicsDescriptor topicsDescriptor, int indexOfThisSubtask, int numParallelSubtasks, Properties kafkaProperties)

Method Summary

Modifier and Type	Method and Description
protected void	closeConnections()
protected List<org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition>	getAllPartitionsForTopics(List<String> topics)
protected List<String>	getAllTopics()
protected void	initializeConnections()
protected void	wakeupConnections()

Methods inherited from class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

close, discoverPartitions, open, setAndCheckDiscoveredPartition, wakeup

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Kafka09PartitionDiscoverer

public Kafka09PartitionDiscoverer(org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicsDescriptor topicsDescriptor,
                                  int indexOfThisSubtask,
                                  int numParallelSubtasks,
                                  Properties kafkaProperties)

Method Detail

initializeConnections

protected void initializeConnections()

Specified by:

initializeConnections in class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

getAllTopics

protected List<String> getAllTopics()
                             throws org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.WakeupException

Specified by:

getAllTopics in class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

Throws:

org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.WakeupException

getAllPartitionsForTopics

protected List<org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition> getAllPartitionsForTopics(List<String> topics)
                                                                                                             throws org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.WakeupException

Specified by:

getAllPartitionsForTopics in class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

Throws:

org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.WakeupException

wakeupConnections

protected void wakeupConnections()

Specified by:

wakeupConnections in class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

closeConnections

protected void closeConnections()
                         throws Exception

Specified by:

closeConnections in class org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer

Throws:

Exception